AirHint found the following cheapest return flights from Sao Paulo (GRU) to Sydney (SYD) in December 2025 (see full year).

Return flights

31 Dec - 29 Jan	Turkish Airlines
08 Dec - 22 Dec	Qatar Airways
01 Dec - 22 Dec	Qatar Airways
08 Dec - 15 Dec	Turkish Airlines
05 Dec - 11 Dec	Turkish Airlines
02 Dec - 10 Dec	Turkish Airlines
16 Dec - 23 Dec	Turkish Airlines
16 Dec - 19 Jan	Turkish Airlines
29 Dec - 16 Jan	Turkish Airlines
29 Dec - 30 Jan	Turkish Airlines
08 Dec - 28 Jan	Turkish Airlines
11 Dec - 28 Jan	Turkish Airlines
01 Dec - 01 Jan	Turkish Airlines
16 Dec - 14 Jan	Turkish Airlines
05 Dec - 01 Jan	Turkish Airlines
29 Dec - 14 Jan	Turkish Airlines
14 Dec - 25 Dec	Turkish Airlines
10 Dec - 17 Dec	Qatar Airways
01 Dec - 20 Dec	Qatar Airways
12 Dec - 27 Dec	Turkish Airlines

Also check the deals for one-way flights from Sao Paulo to Sydney in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Sao Paulo to Sydney in December from $1669

Return flights